Quick view Fernco Fernco PVC 10" Flexible Qwik Cap QC-110 Compare $38.66 Suitable for above or below ground use as an permanent solution to cap pipe ends, test pipes and cleanouts. Fits 10" PL, 10" CI, 10" Copper, 10" ST, 10" SS, 8" Concrete Cap inside diameter 10.47" 9.88" - 11.00" 5/16" Nut Tighten to 60 lbs... Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List